Answer:
Final speed of the train, v = 168.61 m/s
Explanation:
It is given that,
Acceleration of the train,
Time taken, t = 3.85 min = 231 s
Initial velocity of the train, u = 4.6 m/s
We need to find the final velocity (v) of the train. It can be calculated using first equation of motion as :
v = 168.61 m/s
So, the final velocity of the train is 168.61 m/s. Hence, this is the required solution.
Answer:
It is destroyed in subduction zones. A Geologic process in which a tectonic plate made of dense lithospheric material melts or falls below a plate made of less-dense lithosphere at a convergent plate boundary
Explanation:
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Answer:
the axes of the two polarizers are aligned, the angle between this axis must be zero
Explanation:
Polarizers are anisotropic systems where absorption is selective in each axis, in this case they indicate that on an axis they let 100% pass and perpendicular to this axis no light passes.
The first polarizer defines a direction of light that of its axis, it is said that the light is polarized, when this light reaches the second polarized, so that it can pass the axis must be in the direction of the polarized beam.
In summary, the axes of the two polarizers are aligned, the angle between this axis must be zero
Answer:
481.76 J/mol
133.33 K
Explanation:
= Avogadro's number =
Change in enthalpy is given by
Entropy is given by
Latent heat of fusion is given by
The latent heat of fusion is 481.76 J/mol
Melting point is given by
Melting occurs at 133.33 K
1. It will take 0.45 s for the bowling ball to fall 1 m
2. it will take 0.45 s for the ping pong ball to fall 1 m
<h3>Data obtained from the question</h3>
From the question given above, the following data were obtained:
- Height (h) = 1 m
- Acceleration due to gravity (g) = 9.8 m/s²
- Time (t) =?
<h3>How to determine the time taken to fall</h3>
The time taken for the bowling ball to fall can be obtained as illustrated below:
h = ½gt²
1 = ½ × 9.8 × t²
1 = 4.9 × t²
Divide both side by 4.9
t² = 1 / 4.9
Take the square root of both side
t = √(1 / 4.9)
t = 0.45 s
Thus, it will take 0.45 s for the bowling ball to fall.
Considering the ping pong ball, it will also take 0.45 s to fall 1 m since the same gravity is acting on it
Learn more about motion under gravity:
brainly.com/question/22719691
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